Indexes material received in the Orton Memorial Library of the Inter-American Institute of Agricultural Sciences, Center for Training and Research, 1966-69; in the Library and Documentation Service of the Inter-American Institute of Agricultural Sciences, Teaching and Research Center, Jan.-Sept. 1970; and in the Library of the Inter-American Center for Agricultural Documentation and Information, Oct. 1970-1973.

This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1981.